diff --git a/tools/extract/extract_genomic_dna.py b/tools/extract/extract_genomic_dna.py
index de663fb7d4a..5416ab1e2d2 100644
--- a/tools/extract/extract_genomic_dna.py
+++ b/tools/extract/extract_genomic_dna.py
@@ -158,7 +158,7 @@ def __main__():
                     first_invalid_line = i + 1
                     invalid_line = line
                 continue
-            if not sequence:
+            if sequence == '':
                 warning = "Chrom: '%s', start: '%s', end: '%s' is either invalid or not present in build '%s'. " %( chrom, start, end, dbkey )
                 warnings.append( warning )
                 skipped_lines += 1
diff --git a/tools/extract/extract_genomic_dna.xml b/tools/extract/extract_genomic_dna.xml
index 885926c4f97..0b8e57850e2 100644
--- a/tools/extract/extract_genomic_dna.xml
+++ b/tools/extract/extract_genomic_dna.xml
@@ -1,4 +1,4 @@
-<tool id="Extract genomic DNA 1" name="Extract Genomic DNA" version="2.0.0">
+<tool id="Extract genomic DNA 1" name="Extract Genomic DNA" version="2.1.0">
   <description>using coordinates from assembled/unassebmled genomes</description>
   <command interpreter="python">extract_genomic_dna.py $input $out_file1 $input_chromCol $input_startCol $input_endCol $input_strandCol $dbkey $out_format ${GALAXY_DATA_INDEX_DIR}</command>
   <inputs>